book Maths Puzzle Numerical Ability

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k/k-4 -5= 4/k-43

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book Other Question

A stereo store marks up each item it sells 60% above wholesale price. What is the wholesale price on a cassete player that retails at $144 The fixed costs for making chicken feed are $100.00. The marginal cost o make each bag of feed is $20. Management decides to charge $30 per bag of feed.

(A) write the cost fu